> ## Documentation Index > Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Build Region > Updates a multiplayer server build's region. If the region is not yet created, it will be created Allowed entity token types: title ## Error codes This operation may return the following PlayFab errors: | Error | Code | | --- | --- | | APINotEnabledForGameClientAccess | 1082 | | MultiplayerServerBadRequest | 1382 | | MultiplayerServerConflict | 1386 | | MultiplayerServerForbidden | 1384 | | MultiplayerServerInternalServerError | 1387 | | MultiplayerServerNotFound | 1385 | | MultiplayerServerTitleQuotaCoresExceeded | 1445 | | MultiplayerServerUnauthorized | 1383 | | MultiplayerServerUnavailable | 1388 | | ProductDisabledForTitle | 1609 | ## OpenAPI ````yaml /services/playfab/api-references/rest/multiplayer/multiplayer.openapi.json post /MultiplayerServer/UpdateBuildRegion openapi: 3.0.0 info: version: '260922' title: PlayFab Multiplayer API description: >- API methods for managing multiplayer servers. API methods for managing parties. The lobby service helps players group together to play multiplayer games. It is often used as a rendezvous point for players to share connection information. The TrueSkill service helps titles to estimate a player's skill based on their match results. The player skill values from this service are commonly used by a matchmaking service to provide players with balanced matches. termsOfService: https://playfab.com/terms/ contact: url: https://community.playfab.com/index.html license: name: Apache 2.0 url: https://github.com/PlayFab/API_Specs/blob/master/LICENSE servers: - url: https://{titleId}.playfabapi.com description: PlayFab title endpoint variables: titleId: default: your_title_id description: Your PlayFab title ID (hex). security: [] tags: - name: Lobby description: '' - name: Matchmaking description: Matchmaking APIs - name: Matchmaking Admin description: Matchmaking Admin APIs - name: MultiplayerServer description: Multiplayer Server APIs - name: PubSub description: PlayFab PubSub APIs - name: TrueSkill description: TrueSkill APIs - name: TrueSkill Admin description: TrueSkill Admin APIs paths: /MultiplayerServer/UpdateBuildRegion: post: tags: - MultiplayerServer summary: Update Build Region description: > Updates a multiplayer server build's region. If the region is not yet created, it will be created Allowed entity token types: title ## Error codes This operation may return the following PlayFab errors: | Error | Code | | --- | --- | | APINotEnabledForGameClientAccess | 1082 | | MultiplayerServerBadRequest | 1382 | | MultiplayerServerConflict | 1386 | | MultiplayerServerForbidden | 1384 | | MultiplayerServerInternalServerError | 1387 | | MultiplayerServerNotFound | 1385 | | MultiplayerServerTitleQuotaCoresExceeded | 1445 | | MultiplayerServerUnauthorized | 1383 | | MultiplayerServerUnavailable | 1388 | | ProductDisabledForTitle | 1609 | operationId: UpdateBuildRegion requestBody: content: application/json: schema: $ref: '#/components/schemas/UpdateBuildRegionRequest' description: Updates a multiplayer server build's region. responses: '200': $ref: '#/components/responses/EmptyResponse' '400': $ref: '#/components/responses/ApiErrorWrapper' security: - EntityToken: [] components: schemas: UpdateBuildRegionRequest: description: Updates a multiplayer server build's region. type: object properties: BuildId: description: The guid string ID of the build we want to update regions for. type: string BuildRegion: allOf: - $ref: '#/components/schemas/BuildRegionParams' description: >- The updated region configuration that should be applied to the specified build. CustomTags: description: >- The optional custom tags associated with the request (e.g. build number, external trace identifiers, etc.). type: object required: - BuildId - BuildRegion example: BuildId: 21781fa8-096d-4d9c-b699-75433d579285 BuildRegion: Region: NorthEurope MaxServers: 7 StandbyServers: 3 BuildRegionParams: type: object properties: DynamicStandbySettings: allOf: - $ref: '#/components/schemas/DynamicStandbySettings' description: >- Optional settings to control dynamic adjustment of standby target. If not specified, dynamic standby is disabled MaxServers: description: The maximum number of multiplayer servers for the region. type: number x-actualtype: int32 MultiplayerServerCountPerVm: description: >- Regional override for the number of multiplayer servers to host on a single VM of the build. type: number x-actualtype: int32 Region: allOf: - $ref: '#/components/schemas/AzureRegion' description: The build region. ScheduledStandbySettings: allOf: - $ref: '#/components/schemas/ScheduledStandbySettings' description: >- Optional settings to set the standby target to specified values during the supplied schedules StandbyServers: description: The number of standby multiplayer servers for the region. type: number x-actualtype: int32 VmSize: allOf: - $ref: '#/components/schemas/AzureVmSize' description: Regional override for the VM size the build was created on. required: - Region - MaxServers - StandbyServers EmptyResponse: type: object properties: {} ApiErrorWrapper: description: The basic wrapper around every failed API response type: object properties: code: description: Numerical HTTP code type: integer status: description: String HTTP code type: string error: description: Playfab error code type: string errorCode: description: Numerical PlayFab error code type: integer errorMessage: description: Description for the PlayFab errorCode type: string errorDetails: description: Detailed description of individual issues with the request object type: object required: - code - errorCode DynamicStandbySettings: type: object properties: DynamicFloorMultiplierThresholds: description: >- List of auto standing by trigger values and corresponding standing by multiplier. Defaults to 1.5X at 50%, 3X at 25%, and 4X at 5% type: array items: $ref: '#/components/schemas/DynamicStandbyThreshold' x-isclass: true IsEnabled: description: When true, dynamic standby will be enabled type: boolean RampDownSeconds: description: >- The time it takes to reduce target standing by to configured floor value after an increase. Defaults to 30 minutes type: number x-actualtype: int32 required: - IsEnabled AzureRegion: type: string enum: - AustraliaEast - AustraliaSoutheast - BrazilSouth - CentralUs - EastAsia - EastUs - EastUs2 - JapanEast - JapanWest - NorthCentralUs - NorthEurope - SouthCentralUs - SoutheastAsia - WestEurope - WestUs - SouthAfricaNorth - WestCentralUs - KoreaCentral - FranceCentral - WestUs2 - CentralIndia - UaeNorth - UkSouth - SwedenCentral - CanadaCentral - MexicoCentral - WestUs3 - CanadaEast - UkWest - FranceSouth - SouthIndia - SpainCentral - GermanyWestCentral - ItalyNorth - IndonesiaCentral - ChileCentral - PolandCentral - NewZealandNorth - BrazilSoutheast - NorwayEast - SwitzerlandNorth - MalaysiaWest - IsraelCentral - QatarCentral - UaeCentral - GermanyNorth - AustriaEast - BelgiumCentral - DenmarkEast - SwitzerlandWest - SwedenSouth - NorwayWest - SouthAfricaWest - MalaysiaSouth ScheduledStandbySettings: type: object properties: IsEnabled: description: When true, scheduled standby will be enabled type: boolean ScheduleList: description: A list of non-overlapping schedules type: array items: $ref: '#/components/schemas/Schedule' x-isclass: true required: - IsEnabled AzureVmSize: type: string enum: - Standard_A1 - Standard_A2 - Standard_A3 - Standard_A4 - Standard_A1_v2 - Standard_A2_v2 - Standard_A4_v2 - Standard_A8_v2 - Standard_D1_v2 - Standard_D2_v2 - Standard_D3_v2 - Standard_D4_v2 - Standard_D5_v2 - Standard_D2_v3 - Standard_D4_v3 - Standard_D8_v3 - Standard_D16_v3 - Standard_F1 - Standard_F2 - Standard_F4 - Standard_F8 - Standard_F16 - Standard_F2s_v2 - Standard_F4s_v2 - Standard_F8s_v2 - Standard_F16s_v2 - Standard_F2as_v6 - Standard_F4as_v6 - Standard_F8as_v6 - Standard_F16as_v6 - Standard_F2as_v7 - Standard_F4as_v7 - Standard_F8as_v7 - Standard_F16as_v7 - Standard_F2ads_v7 - Standard_F4ads_v7 - Standard_F8ads_v7 - Standard_F16ads_v7 - Standard_D2as_v4 - Standard_D4as_v4 - Standard_D8as_v4 - Standard_D16as_v4 - Standard_D2a_v4 - Standard_D4a_v4 - Standard_D8a_v4 - Standard_D16a_v4 - Standard_D2ads_v5 - Standard_D4ads_v5 - Standard_D8ads_v5 - Standard_D16ads_v5 - Standard_D2ads_v6 - Standard_D4ads_v6 - Standard_D8ads_v6 - Standard_D16ads_v6 - Standard_D2ads_v7 - Standard_D4ads_v7 - Standard_D8ads_v7 - Standard_D16ads_v7 - Standard_E2a_v4 - Standard_E4a_v4 - Standard_E8a_v4 - Standard_E16a_v4 - Standard_E2as_v4 - Standard_E4as_v4 - Standard_E8as_v4 - Standard_E16as_v4 - Standard_E2ads_v5 - Standard_E4ads_v5 - Standard_E8ads_v5 - Standard_E16ads_v5 - Standard_E2ads_v6 - Standard_E4ads_v6 - Standard_E8ads_v6 - Standard_E16ads_v6 - Standard_E2ads_v7 - Standard_E4ads_v7 - Standard_E8ads_v7 - Standard_E16ads_v7 - Standard_E2ds_v4 - Standard_E4ds_v4 - Standard_E8ds_v4 - Standard_E16ds_v4 - Standard_E2ds_v5 - Standard_E4ds_v5 - Standard_E8ds_v5 - Standard_E16ds_v5 - Standard_E2ds_v6 - Standard_E4ds_v6 - Standard_E8ds_v6 - Standard_E16ds_v6 - Standard_D2s_v3 - Standard_D4s_v3 - Standard_D8s_v3 - Standard_D16s_v3 - Standard_DS1_v2 - Standard_DS2_v2 - Standard_DS3_v2 - Standard_DS4_v2 - Standard_DS5_v2 - Standard_NC4as_T4_v3 - Standard_D2d_v4 - Standard_D4d_v4 - Standard_D8d_v4 - Standard_D16d_v4 - Standard_D2ds_v4 - Standard_D4ds_v4 - Standard_D8ds_v4 - Standard_D16ds_v4 - Standard_HB120_16rs_v3 - Standard_HB120_32rs_v3 - Standard_HB120_64rs_v3 - Standard_HB120_96rs_v3 - Standard_HB120rs_v3 - Standard_D2d_v5 - Standard_D4d_v5 - Standard_D8d_v5 - Standard_D16d_v5 - Standard_D32d_v5 - Standard_D2ds_v5 - Standard_D4ds_v5 - Standard_D8ds_v5 - Standard_D16ds_v5 - Standard_D32ds_v5 - Standard_D2ds_v6 - Standard_D4ds_v6 - Standard_D8ds_v6 - Standard_D16ds_v6 - Standard_D2pds_v6 - Standard_D4pds_v6 - Standard_D8pds_v6 - Standard_D16pds_v6 DynamicStandbyThreshold: type: object properties: Multiplier: description: When the trigger threshold is reached, multiply by this value type: number x-actualtype: double TriggerThresholdPercentage: description: >- The multiplier will be applied when the actual standby divided by target standby floor is less than this value type: number x-actualtype: double required: - TriggerThresholdPercentage - Multiplier Schedule: type: object properties: Description: description: >- A short description about this schedule. For example, "Game launch on July 15th". type: string EndTime: description: >- The date and time in UTC at which the schedule ends. If IsRecurringWeekly is true, this schedule will keep renewing for future weeks until disabled or removed. type: string IsDisabled: description: Disables the schedule. type: boolean IsRecurringWeekly: description: If true, the StartTime and EndTime will get renewed every week. type: boolean StartTime: description: The date and time in UTC at which the schedule starts. type: string TargetStandby: description: The standby target to maintain for the duration of the schedule. type: number x-actualtype: int32 required: - StartTime - EndTime - IsRecurringWeekly - IsDisabled - TargetStandby responses: EmptyResponse: description: '' content: application/json: schema: type: object properties: code: type: integer description: >- The Http status code. If X-ReportErrorAsSuccess header is set to true, this will report the actual http error code. status: type: string description: The Http status code as a string. data: $ref: '#/components/schemas/EmptyResponse' ApiErrorWrapper: description: This is the outer wrapper for all responses with errors content: application/json: schema: $ref: '#/components/schemas/ApiErrorWrapper' securitySchemes: EntityToken: type: apiKey in: header name: X-EntityToken description: >- This API requires an Entity Session Token, available from the Entity GetEntityToken method. ```` ## Related topics - [Update Build Region](/services/playfab/api-references/rest/multiplayer/multiplayer-server/update-build-region.md) - [Update Build Regions](/services/playfab/api-references/rest/multiplayer/multiplayer-server/update-build-regions.md) - [PlayFab Release Notes 2020](/services/playfab/release-notes/2020.md) - [Scaling Programmatically](/services/playfab/multiplayer/servers/scaling-programmatically.md) - [build_region_updated](/services/playfab/api-references/events/MultiplayerServers/build-region-updated.md)